The algebraic equation based on the expression "Twice a number four decreased by two is six" can be written as:

$2 \times (x - 4) - 2 = 6$

Where:

• $x$ represents the unknown number.
• $2 \times (x - 4)$ represents "twice a number four."
• The "- 2" accounts for the "decreased by two."
• The "= 6" represents the "is six."

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Here are 5 related questions:

1. How do you solve algebraic equations involving parentheses?
2. What is the meaning of variables in algebra?
3. How do you simplify algebraic expressions?
4. How do you solve multi-step linear equations?
5. Can you explain how to check the solution to an equation?

Tip: When translating word problems into algebraic equations, focus on key phrases like "twice," "decreased by," and "is" to structure the equation.